The echoMAP 50dv combination fish finder/chart plotter with 5inch color display has built in advanced Garmin HD ID and DownVu scanning sonar. DownVu provides a nearly photographic view of fish and structure under the boat. The built in 10 Hz GPS/GLONASS receiver updates your position and heading 10

The echoMAP 50dv combination fish finder/chart plotter with 5inch color display has built in advanced Garmin HD ID and DownVu scanning sonar. DownVu provides a nearly photographic view of fish and structure under the boat. The built in 10 Hz GPS/GLONASS receiver updates your position and heading 10 times per second to display more fluid vessel movement, which makes it much easier to accurately mark and navigate to 5,000 waypoints. The echoMAP 50dv also includes sonar recording capability that coordinates the timing of the sonar return with your boat's position and saves digital information for playback on a computer using HomePort planning software. For even more functionality, wirelessly connect to Apple (mobile digital device) for Blue Chart Mobile